This 'Snake' Is Really Just a Caterpillar With an Incredible Disguise

Don't be fooled! This "snake" isn't actually a snake at all. When facing a potential threat, the hawk moth caterpillar takes the form of a pit viper.

See more of Costa Rica's charismatic wildlife in Untamedfrom Nat Geo Wild. Follow filmmaker Filipe DeAndrade and his two best friends as they travel throughout Costa Rica in search of the most diverse, iconic and unexpected animal species the country has to offer.

This 'Snake' Is Really Just a Caterpillar With an Incredible Disguise

Don't be fooled! This "snake" isn't actually a snake at all. When facing a potential threat, the hawk moth caterpillar takes the form of a pit viper.

See more of Costa Rica's charismatic wildlife in Untamedfrom Nat Geo Wild. Follow filmmaker Filipe DeAndrade and his two best friends as they travel throughout Costa Rica in search of the most diverse, iconic and unexpected animal species the country has to offer.